Seiko Cal. 6113 - 637

This Quartz model from 1977 features a 45mm Titanium case. Powered by the 6113 caliber with 33j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-e875edbbe0b5]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

45mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1977

Related Models

• Seiko 5223-337
• Seiko 0730-722
• Seiko 4490-869
• Seiko 6129-871
• Seiko 7021-236
• Seiko 6266-508
• Seiko 5258-385
• Seiko 6662-550
• Seiko 3881-791
• Seiko 6144-521
• Seiko 7014-724
• Seiko 4510-665