Seiko Cal. 3887 - 748

The Seiko 3887-748 represents an important milestone in Seiko's 1988 lineup. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-11fd4f515c9e]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1988

Related Models

• Seiko 4465-758
• Seiko 6655-750
• Seiko 6212-361
• Seiko 7067-237
• Seiko 4430-153
• Seiko 6264-813
• Seiko 7038-232
• Seiko 4416-920
• Seiko 4515-118
• Seiko 7138-804
• Seiko 0735-219
• Seiko 4571-326