Seiko Cal. 5231 - 737

This Hand-Winding model from 1997 features a 45mm Two-Tone case. Powered by the 5231 caliber with 33j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-430fd60acf31]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1997

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